{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,10]],"date-time":"2026-11-10T02:06:15Z","timestamp":1794276375167,"version":"4.9.0"},"reference-count":40,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2023,3,29]],"date-time":"2023-03-29T00:00:00Z","timestamp":1680048000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100000925","name":"National Health and Medical Research Council","doi-asserted-by":"publisher","award":["1056964"],"award-info":[{"award-number":["1056964"]}],"id":[{"id":"10.13039\/501100000925","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000925","name":"National Health and Medical Research Council","doi-asserted-by":"publisher","award":["1197074"],"award-info":[{"award-number":["1197074"]}],"id":[{"id":"10.13039\/501100000925","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000925","name":"National Health and Medical Research Council","doi-asserted-by":"publisher","award":["2007731"],"award-info":[{"award-number":["2007731"]}],"id":[{"id":"10.13039\/501100000925","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000925","name":"National Health and Medical Research Council","doi-asserted-by":"publisher","award":["2008839"],"award-info":[{"award-number":["2008839"]}],"id":[{"id":"10.13039\/501100000925","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["acamh.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Child Psychology Psychiatry"],"published-print":{"date-parts":[[2023,9]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Rates of depression are increasing among adolescents. A novel way to reduce depression is by improving sleep. We evaluated whether an app\u2010based intervention for insomnia improved sleep and depression, and whether changes in insomnia mediated changes in depression.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We conducted a 2\u2010arm single\u2010blind randomised controlled trial at the Black Dog Institute in Australia. Adolescents 12\u201316\u2009years experiencing insomnia symptoms were randomly allocated to receive Sleep Ninja, an app\u2010delivered cognitive behavioural therapy program for insomnia, or to an active control group involving weekly text message sleep tips. Assessments took place at baseline, 6\u2009weeks (post\u2010intervention) and 14\u2009weeks (post\u2010baseline). Co\u2010primary outcomes were symptoms of insomnia and depression at post\u2010intervention (primary endpoint). Intent\u2010to\u2010treat analyses were conducted. The trial is registered with the Australian and New Zealand Clinical Trials Registry, number ACTRN12619001462178.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Between October 25, 2019, and September 6, 2020, 264 participants were randomised to receive Sleep Ninja (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u2009131) or to the control group (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u2009133). Relative to the control group, those allocated to the intervention reported a greater reduction in insomnia symptoms at 6\u2009weeks (95% CI: \u22122.96 to \u22120.41,\n                      <jats:italic>d<\/jats:italic>\n                      \u2009=\u2009.41) and 14\u2009weeks (95% CI: \u22123.34 to \u22120.19,\n                      <jats:italic>d<\/jats:italic>\n                      \u2009=\u2009.39), and a greater reduction in depression symptoms at 6\u2009weeks (95% CI: \u22123.46 to \u22120.56,\n                      <jats:italic>d<\/jats:italic>\n                      \u2009=\u2009.28) but not 14\u2009weeks (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20091). Change in insomnia mediated change in depression. No adverse events were reported.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>An app\u2010delivered program for insomnia could be a practical, non\u2010stigmatising and scalable way to reduce symptoms of insomnia and depression among adolescents experiencing difficulties getting enough good quality sleep.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jcpp.13795","type":"journal-article","created":{"date-parts":[[2023,3,29]],"date-time":"2023-03-29T23:59:27Z","timestamp":1680134367000},"page":"1324-1335","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":45,"title":["The effects of a sleep\u2010focused smartphone application on insomnia and depressive symptoms: a randomised controlled trial and mediation analysis"],"prefix":"10.1111","volume":"64","author":[{"given":"Aliza","family":"Werner\u2010Seidler","sequence":"first","affiliation":[{"name":"Black Dog Institute University of New South Wales  Sydney NSW Australia"},{"name":"School of Psychology University of New South Wales  Sydney NSW Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sophie H.","family":"Li","sequence":"additional","affiliation":[{"name":"Black Dog Institute University of New South Wales  Sydney NSW Australia"},{"name":"School of Psychology University of New South Wales  Sydney NSW Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Samantha","family":"Spanos","sequence":"additional","affiliation":[{"name":"Australian Institute of Health Innovation Macquarie University  Sydney NSW Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lara","family":"Johnston","sequence":"additional","affiliation":[{"name":"Black Dog Institute University of New South Wales  Sydney NSW Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1731-210X","authenticated-orcid":false,"given":"Bridianne","family":"O'Dea","sequence":"additional","affiliation":[{"name":"Black Dog Institute University of New South Wales  Sydney NSW Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michelle","family":"Torok","sequence":"additional","affiliation":[{"name":"Black Dog Institute University of New South Wales  Sydney NSW Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lee","family":"Ritterband","sequence":"additional","affiliation":[{"name":"School of Medicine University of Virginia  Charlottesville VA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jill M.","family":"Newby","sequence":"additional","affiliation":[{"name":"Black Dog Institute University of New South Wales  Sydney NSW Australia"},{"name":"School of Psychology University of New South Wales  Sydney NSW Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrew J.","family":"Mackinnon","sequence":"additional","affiliation":[{"name":"Black Dog Institute University of New South Wales  Sydney NSW Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Helen","family":"Christensen","sequence":"additional","affiliation":[{"name":"Black Dog Institute University of New South Wales  Sydney NSW Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,3,29]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1176\/appi.books.9780890425596"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.3389\/fpsyg.2017.00887"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1037\/cou0000059"},{"key":"e_1_2_6_5_1","unstructured":"Australian Bureau of Statistics. 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